| Assay Method Information | |
| | c-KIT Kinase Assay |
| Description: | ADP-Glo assay kit was purchased from Promega. Magnesium chloride (MgCl2), Manganese(II) chloride (MnCl2), Bovine serum albumin (BSA) and dimethylsulfoxide (DMSO) were purchased from Sigma-Aldrich. Tris-HCl buffer was purchased from Biosesang. c-Kit kinase and Poly (4:1 Glu, Tyr) Peptide were purchased from Signalchem.c-Kit kinase activity was measured by Promega's ADP-Glo Assay. In this assay, Recombinant human c-Kit (100 ng) is incubated with 5 μL of compounds (0.5% DMSO), 5 μL of Poly (4:1 Glu, Tyr) (250 ng/μl) and 5 μL of ATP (250 μM) in buffer (40 mM Tris, 7.5; 20 mM MgCl2; 0.1 mg/ml BSA; 2 mM MnCl2; 50M DTT). The assay was started by incubating the reaction mixture in a 96-well plate at 30° C. for 2 hr. After the incubation, 25 μL ADP-Glo reagent was added and the reaction was incubated at 30° C. for 45 min to stop the reaction and degrade residual ATP. The ADP product was then converted to ATP by adding 50 μL per well of detection reagent. Luminescence was detected after 30 min room temperature incubation with the Molecular device I3X plate reader. The IC50 values were calculated from a series of percent inhibition values determined at a range of inhibitor concentration using software routines as implemented in the GraphPad Prism 7 software or SigmaPlot 13.0. |
| Affinity data for this assay | |
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